13 Significant Dates Every Harry Potter Fan Knows By Heart

July 31 isn't just any average day for a Harry Potter fan; it's practically a holiday. Every average calendar marks the dates of significant holidays like New Year's Eve, Halloween, Christmas, and Easter. But for huge Harry Potter fans, you can always count on there being at least one important date pertaining to the world of HP per month. I know I can always count on my fantastic roommate — who has read the series more times that I can count — to make sure our favorite characters' birthdays are accounted for.

Not every date is happy, since J.K. Rowling didn't let all of her amazing and wonderful characters live to tell the tale, but of course, you already know that. And since the magical story of Harry Potter will never truly end — especially now that James Sirius Potter is attending Hogwarts — we all have to keep up with the Wizarding world calendar. So if you're wondering if there are any important Harry Potter related dates coming up, I've got you covered. From the tragic Battle of Hogwarts to the day the wise and lovable Hermione was born, here are all the dates you need to know as the truest Harry Potter fans: